Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø40mm bore and 500mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ40 mm
- Stroke500 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U
The AirTAC MBL40X500U is a double-acting aluminum mini round cylinder engineered for compact machinery requiring a very long 500 mm reach. Operating at 0.5 MPa, it generates 628 N of push force and 528 N of pull force, making it suitable for moving heavier jigs over extended distances. The riveted rolling-packed barrel permanently crimps the front and rear covers to the tube, ensuring a lightweight footprint that easily fits where standard ISO 15552 profile bodies cannot.
This specific U configuration features a rigid flat-end rear cover for fixed straight-line mounting. Because this SKU lacks the -S suffix, it has no internal magnet and cannot accept a CMSG, DMSG, or EMSG position sensor. The carbon-steel piston rod features a 20 um hard-chrome plating to resist wear and corrosion, while the heterogeneous two-way piston seal retains grease for a long service life despite the extended stroke.
Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). Thread options: PT / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 40 | Bore size in mm. |
| ×500 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Where the Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U Is Used
Pallet Transfer Pusher
Pushes heavy pallets along a 500 mm conveyor section, utilizing the 628 N push force at 0.5 MPa to overcome friction in high-throughput packaging lines.
CNC Tool Changer Arm
Extends a tool carousel arm the full 500 mm to swap heavy machining heads, relying on the rigid U flat-end rear cover to maintain strict axial alignment.
Vertical Lift Gate
Actuates a 500 mm vertical sorting gate in a distribution center, using the 880 N push force at 0.7 MPa to lift gravity-loaded panels reliably.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U the Right Cylinder?
This 40 mm bore strikes a balance between the lighter 32 mm option (402 N push at 0.5 MPa) and the larger 50 mm bore (981 N push at 0.5 MPa). If your application involves faster cycling of heavier masses, stepping up to the MBLC variant provides an adjustable air cushion to absorb end-of-stroke impact, whereas the base MBL relies on a fixed rubber bumper. For simple push or pull operations without continuous air pressure, consider the MSBL or MTBL single-acting models.
When ordering a replacement, match the 40 mm bore, 500 mm stroke, G1/4 port size, PT thread form, and U flat-end back cover. Because a 500 mm stroke pushes the limits of the Ø16 mm rod, the small rod bearing has low side-load tolerance; an external guide or a pivot mounting accessory is strongly recommended to prevent rod bending. Note that a plain MBL cannot hold a load if air pressure is lost—the rubber bumper softens impact but acts as neither a lock nor a brake.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBL Aluminum Alloy Mini Cylinder MBL40X500U FAQ
At 0.5 MPa, the 40 mm bore provides 628 N of push force and 528 N of pull force. At 0.7 MPa, the push force increases to 880 N, with a theoretical maximum of 128 kgf at 1.0 MPa. The double-acting speed range is 30-800 mm/s.
Because this specific SKU lacks the -S suffix, it has no internal magnet and cannot accept a CMSG, DMSG, or EMSG sensor switch. Additionally, the base MBL uses a fixed rubber bumper to soften end-of-stroke impact; for adjustable air cushioning, you must specify the MBLC variant.
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